10" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 30 5/8"] white + Product Details Size –

+ Product Details Size – 24"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 4"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 34"w X 32"h is the size for the duct opening measurement only

+ Product Details Size – 8"w X 14"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 10" duct opening (measured at the opening)

10" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 12 5/8" X 30 5/8"] white + Product Details Size –+ Product Details Size 10"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 30 5 8" height Actual Filter Size 9 3 4"w x 27 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Location ceiling and sidewall Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter